GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
It has power, it will turn over, but will not start. We
it has power, it will turn over, but will not start. We drove it yesterday. … read more
Matt
Matt
Engineer
Bachelor's Degree
16,040 satisfied customers
I've replaced my blower motor and the heater controls and my
I've replaced my blower motor and the heater controls and my heater still doesn't work at all. … read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I replaced my blower motor and when I turned on the air it
I replaced my blower motor and when I turned on the air it was blowing fine. Turned off the truck and it was still blowing. Replaced the resistor and now nothing comes on. Checked and replaced the fus… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,080 satisfied customers
I have used you guys before and did well. I have a 2004 GMC
I have used you guys before and did well. I have a 2004 GMC C5500 TOPKICK 6.6L Motor 5C042. This truck uses a electric fuel pump to transfer fuel from the rear tank to the front. I have no hot line ru… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
37,465 satisfied customers
On my denali xl 2006 I have lost power on the rear blower
hi! on my denali xl 2006 I have lost power on the rear blower (nothing at all), Since 1 year it suddently stop and start again but now it's dead. I doubt it will be related with other things than a me… read more
Amedee
Amedee
GMC Technician
28,693 satisfied customers
2004 GMC Yukon XL Denali - no power to rear blower or blower
2004 GMC Yukon XL Denali - no power to rear blower or blower control. automatic blower speed. Fuses check good. I do not find any relays for blower systems. Front blower works as it should. No power g… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
GMC Sierra 1500: I my 2004 gmc sierra 4.3 2wd to walmart to
I my 2004 gmc sierra 4.3 2wd to walmart to get the oil changed. when I went to pick it up it wouldn't start. I narrowed it down to the fuel pump. I thought it was a bad fuel pump so I replaced the pum… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I have a 02 gmc Yukon denali xl 6.0l my front blower motor
I have a 02 gmc Yukon denali xl 6.0l my front blower motor was not working. I replaced that. it still does not work. the old motor works when hooked up to a battery. the resister module has 3 wires go… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,080 satisfied customers
GMC Savana 2500 LS: . I have a 2005 gmc savana 4.8. Van was
Hi. I have a 2005 gmc savana 4.8. Van was not starting, and fuel pump makes a thud rather than the whine when it primes. Pulled the pump, and it works fine. Changed the relay and pump fuse, nothing. S… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,832 satisfied customers
heater/ac blower motor will not work when you turn on switch
heater/ac blower motor will not work when you turn on switch anti lock brake light and brake light come on in dash when you turn switch off warning lights go off also cruse control dose not work and b… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
675 satisfied customers
Hello Cam I have a problem on my 2000 GMC Savana 3500 and it
Hello Cam I have a problem on my 2000 GMC Savana 3500 and it relates to intermittently getting power to the fuel pump. I noticed you had several posts on simlier problems and wanted to see what you th… read more
sprinkles08
sprinkles08
Technician
High School or GED
18,067 satisfied customers
GMC: heater blower stop working. check blower. working. changed
heater blower stop working. check blower. working. changed resistor and harness. still not working. checking for a grounding problem but don't know location of grounding block for heater. 2004 gmc can… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
12,665 satisfied customers
GMC Sierra 1500: I have a 2004 Gmc Sierra and the Ac has stopped
I have a 2004 Gmc Sierra and the Ac has stopped working all together. I have already checked the blower resistor and the wire harness both fine. I also checked the actual blower motor which works. Whe… read more
Dave Nova
Dave Nova
GMC Technician
Associate Degree
929 satisfied customers
GMC Sierra 2500 HD SLE: 2004 GMC HD 6.6 the blower in the
2004 GMC HD 6.6 the blower in the cabin only runs on #3 or above. I havecan hear a clicking sound but it stops after the left temp is incresed. now all heat is not working, AC works?… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,832 satisfied customers
GMC C2500: I have 1985 GMC C25/C2500. The heater blower fan
I have 1985 GMC C25/C2500. The heater blower fan recently stopped working. None of the fan speeds work. What could be the problem?… read more
George H.
George H.
ASE MasterTechnician
Associate Degree
230 satisfied customers
GMC Sierra 1500: I have an issue with my electric fan in my
I have an issue with my electric fan in my 2005 GMC Sierra. A couple of weeks ago I noticed that it would run on high for no reason, even shortly after starting it. Now what ever was causing the issue… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,107 satisfied customers
GMC Yukon XL 1500 SLT: i replaced my fuel pump today in my
i replaced my fuel pump today in my 2004 Yukon XL 5.3 "T" It still won't start i checked the power to plug on pump there is 5.01 volts for sender but nothing else, checked relay, there is power going … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,832 satisfied customers
GMC Envoy SLE: My 2004 Envoy SLE with manual driver/passanger
My 2004 Envoy SLE with manual driver/passanger heat controls is producing heat on the passanger side but not on the driver side. Blowers and fans all appear to be working properly. Just blowing cold a… read more
Vladimir Grodskiy
Vladimir Grodskiy
Automotive Electrician
Vocational, Technical or Trade Scho
2,724 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

1,832 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

675 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

285 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

230 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x